Update ginkgo to v2 in go.mod, go.sum, vendor

This commit updates ginkgo to v2.
Note that because ginkgo/v2 requires go1.18, it was
updated as well.

Signed-off-by: liornoy <lnoy@redhat.com>
Co-authored-by: Sascha Grunert <sgrunert@redhat.com>

vendor/github.com/onsi/ginkgo/internal/global/init.go

@@ -1,22 +0,0 @@
-package global
-
-import (
-	"time"
-
-	"github.com/onsi/ginkgo/internal/failer"
-	"github.com/onsi/ginkgo/internal/suite"
-)
-
-const DefaultTimeout = time.Duration(1 * time.Second)
-
-var Suite *suite.Suite
-var Failer *failer.Failer
-
-func init() {
-	InitializeGlobals()
-}
-
-func InitializeGlobals() {
-	Failer = failer.New()
-	Suite = suite.New(Failer)
-}